G21C 3/28
With fissile or breeder material in solid form within a non-active casing
Official title: with fissile or breeder material in solid form within a non-active casing
G21C3/28 (With fissile or breeder material in solid form within a non-active casing) appears on 58 US grants and 48 published applications in this corpus.
Search patents in G21C- Granted patents
- 58
- Published applications
- 48
- Assignees
- 39
- Inventors
- 104
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 5 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 2 | 0 |
| 2016 | 0 | 3 |
| 2017 | 3 | 5 |
| 2018 | 0 | 3 |
| 2019 | 3 | 1 |
| 2020 | 5 | 6 |
| 2021 | 7 | 6 |
| 2022 | 3 | 3 |
| 2023 | 6 | 2 |
| 2024 | 3 | 2 |
| 2025 | 0 | 1 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nuclear reactor assemblies, nuclear reactor target assemblies, and nuclear reactor methods20 Jan 2026US 12,531,168 B2Battelle Memorial Institute
- Processing ultra high temperature zirconium carbide microencapsulated nuclear fuel20 Aug 2024US 12,068,084 B2Ultra Safe Nuclear Corporation
- Process for rapid processing of SiC and graphitic matrix TRISO-bearing pebble fuels14 May 2024US 11,984,232 B2Ultra Safe Nuclear Corporation
- Additive manufacturing of complex objects using refractory matrix materials5 Mar 2024US 11,919,815 B2UT-Battelle, LLC
- Fast reactor with primary and backup control rods26 Dec 2023US 11,854,709 B2Hitachi-GE Nuclear Energy, Ltd.
- Nuclear reactor loading system and methods of use thereof8 Oct 2026US 2026/0311901 A1Abilene Christian University
- Nuclear reactor loading system and methods of use thereof17 Sep 2026US 2026/0279606 A1Abilene Christian University
- Multiplicative fission and converter Core for thermal and electrial generation16 Jul 2026US 2026/0204442 A1
- Nuclear Reactor Assemblies, Nuclear Reactor Target Assemblies, and Nuclear Reactor Methods14 May 2026US 2026/0135010 A1Battelle Memorial Institute
- Nuclear reactor fuel and associated systems and methods30 Apr 2026US 2026/0120897 A1The Leapfrog Nuclear Company
Most cited
By later US patents
- Destruction of plutonium47US 5,513,226 AGeneral Atomics · 1996
- Fast Reactor Core15US 5,446,773 ADoryokuro Kakunenryo Kaihatsu Jigyodan · 1995
- Fuel assembly9US 10,170,207 B2Thorium Power, Inc. · 2019
- Nuclear reactor (alternatives), fuel assembly of seed-blanket subassemblies for nuclear reactor (alternatives), and fuel element for fuel assembly8US 8,116,423 B2Thorium Power, Inc. · 2012
- Spherical fuel elements made of graphite for temperature reactors and process for reworking it after the irradiation7US 4,134,941 AHOBEG Hochtemperaturreaktor-Brennelement GmbH · 1979